C# Clone | C# String Clone - c# - c# tutorial - c# net



What is C# Clone ?

  • In strings, Clone() method creates and returns a copy of string object.
  • In C#, the string Clone() method returns a reference to this instance of string.
  • The Clone() and ICloneable method interfaces are available in C programming. But using these features is unclear and not recommended.
 clone object in c sharp

clone object in c#

  • Clone() usually provides a shallow copy of an object (i.e. see Array.
  • Clone() ), it copies the references but not the referenced objects. ... This is because they are reference types.
  • Using Clone() (in a proper manner) can avoid this.
  • On modifying a cloned object , the original will not get modified.
  •  pass by reference vs pass by value in c#.gif

    pass by reference vs pass by value in c#

Syntax:

Object 
click below button to copy the code. By - c# tutorial - team

Syntax Explanation:

  • Object: It returns the instance of the String.
  • String: String returns a new String as the same content of argument String.

C# Sample Code - C# Examples:

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;

namespace wikitechy_string_clone
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {
        }
       private void button1_Click(object sender, EventArgs e)
        {
            string str1 = null;

            string str2 = null;

            str1 = "www.wikitechy.com";

            str2 = string.Copy(str1);

            MessageBox.Show(str2); 
        }
    }
}
click below button to copy the code. By - c# tutorial - team

Code Explanation:

 clone in c sharp example

  1. Here private void button1_Click(object sender, EventArgs e) click event handler for button1 specifies, which is a normal Button control in Windows Forms.The two parameters, "object sender" and "EventArgs e" parameters of function of event of a button such as private void button2_Click(object sender, EventArgs e).
  2. string str1 = null specifies to first Parameter String, its specifies the first null value.
  3. string str2 = null specifies to second Parameter String, its specifies the second null value.
  4. str1 is specifies to assigns text value of www.wikitechy.com.
  5. Copies contents www.wikitechy.com of str1 to an array of characters. we can also specify the starting character of a string and number of characters we want to copy to the str2.
  6. MessageBox.Show(str2); displays a message box with the specified string"str2" which presents a message to the user.

Sample C# examples - Output :

 copy and clone in c sharp example
  1. Here in this output the Fetch Data button will display the data values from the SQL and displays it by clicking it.
  2. In this output table displays the www.wikitechy.comchecked in the message box.


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